$602 Find Cheap Flights from Washington to Australia

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1 adult, Economy

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Useful Info
Useful Info

Good to know

Low seasonMay
High seasonDecember
Cheapest flight$602
Best time to beat the crowds but there is an average 6% increase in price.
Most popular time to fly (39% more expensive on average)
Flight from Seattle to Sydney

FAQs for booking flights from Washington to Australia

  • How does KAYAK find such low prices on flights from Washington to Australia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Australia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Australia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Washington to Australia is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington to Australia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Washington to Australia with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Australia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Washington to Australia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to Australia?

    Based on KAYAK data, the cheapest day to fly to Australia is Monday when return tickets can be as cheap as $1,484. On the other hand, the most expensive day to fly is Saturday, when return prices are $1,793 on average.

  • What is the cheapest time of day to fly to Australia?

    The cheapest time of day to fly to Australia is generally in the evening, when round-trip flights cost $923 on average. Morning departures are around 23% more expensive than evening flights, on average. The most expensive time of day to fly to Australia is generally in the morning, which is peak travel time and where the average cost of a ticket is $1,133.

  • What is the cheapest month to fly from Washington to Australia?

    The cheapest month for flights from Washington to Australia is March, when tickets cost $1,581 (return) on average. On the other hand, the most expensive months are December and January, when the average cost of round-trip tickets is $2,281 and $1,942 respectively.

  • How far in advance should I book a flight from Washington to Australia?

    To get a below-average price on the flight from Washington to Australia, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

  • How long is the flight to Australia?

    An average direct flight from Washington to Australia takes 27h 41m, covering a distance of 20533 km. The shortest route is Portland (PDX) to Sydney (SYD) with an average flight time of 18h 37m.

  • What are the most popular destinations in Australia?

    Based on KAYAK flight searches, the most popular destination is Sydney (46% of total searches to Australia). The next most popular destinations are Melbourne (30%) and Brisbane (11%). Searches for flights to Adelaide (4%), to Perth (3%), and to Cairns (2%) are also popular.

Book cheap flights from Washington to Australia

Recent return flight deals

7/9Sun
1 stopAir Canada
19h 05mSEA-SYD
16/9Tue
1 stopAir Canada
17h 01mSYD-SEA
$1,193
20/8Wed
1 stopAir Canada
18h 40mPDX-SYD
1/10Wed
1 stopAir Canada
17h 01mSYD-PDX
$1,193
27/8Wed
1 stopQantas Airways
23h 58mSEA-SYD
16/9Tue
1 stopQantas Airways
28h 14mSYD-SEA
$1,217
9/8Sat
1 stopQantas Airways
23h 09mPDX-SYD
23/8Sat
1 stopQantas Airways
20h 30mSYD-PDX
$1,217
4/8Mon
1 stop
20h 21mSEA-SYD
17/8Sun
1 stop
18h 39mSYD-SEA
$1,260
14/9Sun
2 stops
22h 55mPDX-MEL
28/9Sun
2 stops
20h 21mMEL-PDX
$1,279
2/8Sat
1 stopAmerican Airlines
24h 00mSEA-SYD
24/8Sun
1 stopAmerican Airlines
20h 48mSYD-SEA
$1,282
28/8Thu
1 stopAmerican Airlines
23h 34mPDX-SYD
11/9Thu
2 stopsAmerican Airlines
22h 26mSYD-PDX
$1,290
1/8Fri
1 stopUnited Airlines
32h 45mSEA-SYD
11/8Mon
2 stopsUnited Airlines
28h 27mSYD-SEA
$1,294
4/8Mon
1 stopUnited Airlines
32h 45mSEA-SYD
17/8Sun
2 stopsUnited Airlines
23h 24mSYD-SEA
$1,297

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Recent one-way flight deals

9/9Tue
2 stops
37h 40mSEA-SYD
$602
2/9Tue
2 stops
40h 20mSEA-SYD
$606
18/8Mon
1 stopAir Canada
28h 15mPDX-SYD
$606
27/8Wed
1 stopQantas Airways
21h 31mSEA-SYD
$616
4/11Tue
1 stopQantas Airways
21h 30mSEA-SYD
$631
21/9Sun
2 stopsAir Canada
23h 25mSEA-SYD
$636
3/8Sun
1 stopAmerican Airlines
24h 00mSEA-SYD
$657
5/8Tue
1 stopUnited Airlines
20h 46mSEA-SYD
$662
29/6Sun
1 stopAmerican Airlines
23h 50mSEA-SYD
$674
24/10Fri
3 stopsUnited Airlines
29h 18mSEA-SYD
$703

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Last minute flights from Washington to Australia

Last minute flight, train and bus deals

15/6Sun
multi-stopUnited Airlines
20h 46mSEA-SYD
17/6Tue
multi-stopUnited Airlines
28h 38mSYD-SEA
$1,504
15/6Sun
multi-stopUnited Airlines
23h 25mSEA-SYD
17/6Tue
multi-stopUnited Airlines
29h 45mSYD-SEA
$1,511
14/6Sat
multi-stopDelta
19h 51mSEA-SYD
28/6Sat
multi-stopDelta
31h 13mSYD-SEA
$1,850
14/6Sat
multi-stopDelta
32h 05mSEA-SYD
28/6Sat
multi-stopDelta
31h 13mSYD-SEA
$1,857
13/6Fri
multi-stopQantas Airways
34h 40mPDX-BNE
15/6Sun
multi-stopQantas Airways
25h 14mBNE-PDX
$2,344
14/6Sat
multi-stop
30h 10mPDX-SYD
28/6Sat
multi-stop
25h 20mSYD-PDX
$2,387
13/6Fri
multi-stopQantas Airways
28h 30mPDX-BNE
15/6Sun
multi-stopQantas Airways
27h 14mBNE-PDX
$2,637
14/6Sat
multi-stop
35h 25mSEA-SYD
17/6Tue
multi-stop
34h 30mSYD-SEA
$3,170
13/6Fri
multi-stopAir Canada
18h 25mPDX-BNE
15/6Sun
multi-stopAir Canada
16h 20mBNE-PDX
$4,860
17/6Tue
multi-stopAir Canada
26h 40mPDX-MEL
28/6Sat
multi-stopAir Canada
32h 25mMEL-PDX
$14,869

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Everything you need to know for your flight to Australia

Cabin class types available on flights to Washington

Cabin classes available on flights to Washington. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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